40818836 has 24 divisors (see below), whose sum is σ = 78926400. Its totient is φ = 18372992.

The previous prime is 40818829. The next prime is 40818839. The reversal of 40818836 is 63881804.

40818836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40818836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40818839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11486 + ... + 14613.

It is an arithmetic number, because the mean of its divisors is an integer number (3288600).

Almost surely, 2^40818836 is an apocalyptic number.

40818836 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40818836 is a deficient number, since it is larger than the sum of its proper divisors (38107564).

40818836 is a wasteful number, since it uses less digits than its factorization.

40818836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26143 (or 26141 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 40818836 is about 6388.9620440256. The cubic root of 40818836 is about 344.3130938027.

The spelling of 40818836 in words is "forty million, eight hundred eighteen thousand, eight hundred thirty-six".